Preserve API for now. This has been renamed for TeX Live 2011.

Index: texlive-20110627-source/texk/kpathsea/types.h
===================================================================
--- texlive-20110627-source.orig/texk/kpathsea/types.h
+++ texlive-20110627-source/texk/kpathsea/types.h
@@ -280,8 +280,12 @@ extern KPSEDLL kpathsea kpse_def;
 
 #undef kpse_invocation_name
 #define kpse_invocation_name         kpse_def_inst.invocation_name
+#undef program_invocation_name
+#define program_invocation_name      kpse_def_inst.invocation_name
 #undef kpse_invocation_short_name
 #define kpse_invocation_short_name   kpse_def_inst.invocation_short_name
+#undef program_invocation_short_name
+#define program_invocation_short_name kpse_def_inst.invocation_short_name
 
 #endif /* KPSE_COMPAT_API */